Shopping Cart

Your cart is empty.

Your cart is empty.

Mountain Bikes Crankset 127mm Hollow Integrated Crank Arm Set with 32T/34T/36T/38T/40T Chainring for 9-12 Speed Aluminum Alloy 4 Claws 104BCD Cranks with BB(32T)

Free shipping on orders over $29.99

$68.92

$ 30 .99 $30.99

In Stock

1.:32t


2.Color:Black


  • Crank Arm Length: This Size is 127mm. 112mm shaft length, 24 mm Hollow Integrated shaft, chromium-molybdenum steel for increased rigidity and steeliness.
  • Bikes Crank Arms: The Material are made of Aluminum Alloy, this crank arm is sturdy and durably,High strength, high hardness, not easy to deform. Before purchasing this crank, please make sure that the size of this crank Arm is consistent with the size you need.
  • Spindle Interface Type: Hollow Integrated design. 4 jaw 104BCD road bike crank,with 32T/34T/36T/38T/40T single speed chainring compatible with 9/10/11/12 speeds.
  • Bottom Bracket: 68-73mm/2.67-2.87in,Threaded Type BC1.37 * 24T ,Outer diameter of shaft: 24mm/0.94in.
  • Package List: 2x Bicycles Crank Arms(left crank arm +right crank arm), included BB and chainring. If you have any problem before or after purchase, feel free to contact us.



5.0 out of 5 stars Best Sellers Rank
  • #1,986,105 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • #2,787 in Bike Cranksets
Assembly required No Number of pieces 1

Mountain Bikes Crank Arm 127mm Hollow Integrated Crank Arm Set with 32T/34T/36T/38T/40T Chainring for 9-12 Speed Aluminum Alloy 4 Claws 104BCD Left And Right Cranks
Mountain Bike Crank Information:
Material: Alloy Aluminum
Shaft material: Chrome molybdenum steel
Crank length: 127mm
Shaft length: 112mm
Shaft outer diameter: 24mm
BCD:104
Chainring: 32T,34T,36T,38T,40T
Support bottom bracket width: 68/73mm BSABB, Threaded Type BC1.37 * 24T
Compatible with Pedals: m14
Support speed: 9/10/11/12 speed
Compatible with: single, double chainrings
QFA:168.5MM
Crank Arm weight: Approx. 529g
Chainring weight: 32T≈41g/34T≈51g/36T≈55g/38T≈72g/40T≈82g
Bottom Bracket weight: Approx. 108g
Package Includes:
1 x Right crank
1 x Left crank
1 x Chainring
1 x Bottom Bracket
Please note:
--The size of the center hole in the center of the crank is uniform, as is the pedal thread, which is common on the market.
--Please check the size before purchasing to avoid not being able to install it.
--Due to size specifications for manual measurement, so please allow for slight error, lighting in photography may cause color differences from real life.


Lloyd A.
Reviewed in the United States on May 4, 2025
Installed it on a 20-inch bike for my 4-year-old daughter, and she absolutely loves the difference. The 32T chainring with a 127mm crank is just right for her. She won’t stop riding now, funny how she used to hate her new bike before the upgrade.
Recommended Products

$48.00

$ 21 .99 $21.99

4.8
Select Option

$48.99

$ 23 .99 $23.99

4.8
Select Option

$111.33

$ 49 .99 $49.99

4.6
Select Option

$80.75

$ 35 .99 $35.99

4.4
Select Option

$77.12

$ 29 .99 $29.99

4.8
Select Option